Digital Manifold Gauge AC Manifold Gauge Set Upgrade
Replace analogue HVAC gauges with smarter app-connected AC and refrigeration diagnostics.
Happy Customers
Avg Rating (155+ reviews)
Satisfaction Rate
Loved Across Britain
Free UK Delivery
Next-day dispatch from our UK warehouse
2-Year UK Warranty
Full manufacturer warranty with UK support
30-Day Free Returns
No questions asked, prepaid return label
App-Connected HVAC Diagnostics
Live Bluetooth readings, digital calculations and easier reporting for AC and refrigeration service work
ManifGauge
£170.79 inc. VAT (£142.32 ex. VAT)
A professional smart digital manifold gauge for HVAC and refrigeration engineers who want faster, clearer and app-connected system diagnostics in the field.
Trusted by UK HVAC & Refrigeration Engineers
How to Use
- Confirm the system is safe to service and that you are qualified for refrigerant work.
- Install batteries, power on the manifold and pair it with the companion mobile app via Bluetooth.
- Connect the high and low side hoses to the relevant service ports on the air conditioning or refrigeration system.
- Select the correct refrigerant in the device or app to ensure accurate pressure and temperature calculations.
- Monitor live readings on the screen or remotely through the app while checking system operation.
- Use the digital data to assess pressures, superheat or subcooling as required for diagnosis.
- After testing, isolate, disconnect safely and store the gauge in a clean, dry tool case.
What Our Customers Say
Used this on split AC fault-finding and the Bluetooth app made a real difference. I could watch live readings at the condenser while adjusting indoors, which saved me several trips up and down the ladder.
Very clear display, easy refrigerant selection and much quicker than my old analogue set. Delivery was prompt and it arrived ready for site use with a proper trade feel to it.
I bought the DMG-4B for commercial refrigeration maintenance and the digital pressure readings are far easier to trust at a glance. The app record keeping is also helpful when writing up service notes.
A solid smart manifold gauge and definitely a step up from mechanical hvac gauges. The only minor downside is you get the best from it once the app is fully set up, but after that it is straightforward.
Compared with the Testo kit I had been pricing, this felt like the better value route into an app-connected manifold. Good build quality, stable Bluetooth connection and ideal for routine AC servicing.
I use it on refrigeration callouts across several sites and the pressure display is crisp even in poor plant room lighting. I would have liked a hard case included, but the gauge itself performs very well.
At ManifGauge, we focus on one thing: helping UK HVAC and refrigeration engineers upgrade from traditional mechanical manifolds to smarter digital diagnostics. Our product range is built around practical field use, with connected tools that give clearer readings, better workflow control and less time spent second-guessing pressures on busy callouts.
We understand the needs of air conditioning installers, refrigeration service technicians and maintenance contractors working across homes, shops, offices and plant rooms. That is why we prioritise app-connected manifold technology, refrigerant compatibility, dependable accuracy and field-ready portability rather than gimmicks or generic measurement tools.
Our mission is to bring modern HVAC servicing within easy reach of UK trade buyers who want premium functionality without paying purely for a badge. From Bluetooth monitoring to OTA-ready functionality and digital reporting convenience, ManifGauge is here to support a faster, more professional way to diagnose and service refrigerant systems.
Based around UK ecommerce service standards, we back every order with clear support, fast dispatch and practical product information. Whether you are replacing an ageing analogue ac manifold gauge set or equipping your team with a future-ready digital upgrade, ManifGauge is built for serious trade use.
Why UK Customers Love Us
Our products are designed and supported in the UK, ensuring superior quality and fast tracked delivery from our British warehouse. We offer free UK delivery on all orders, eco-friendly packaging to reduce carbon footprint, and warm, direct customer service. Every order is backed by a generous 30-day returns policy under the UK Consumer Rights Act 2015 — you are always protected.
Frequently Asked Questions
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